Added AMD friendly piece of code.
Added AMD friendly piece of code.

OMGgogong/showdown,webutilz/showdown,yaniswang/showdown,NichenLg/showdown,sahat/showdown,lhagan/showdown,juanonsoftware/showdown,yaniswang/showdown,mickelfeng/showdown,xinshitn/showdown,bsansouci/showdown,jaguerra/showdown,digideskio/showdown,pazof/showdown,lhagan/showdown,snegovick/showdown,phw/showdown,xinshitn/showdown,bsnizek/showdown,digideskio/showdown,alazyer/showdown,NichenLg/showdown,showdownjs/showdown,webutilz/showdown,nilbus/showdown,sahat/showdown,bsansouci/showdown,coolroad/showdown,rollokb/showdown,ErisDS/showdown,OMGgogong/showdown,snegovick/showdown,stevemao/showdown,rollokb/showdown,stevemao/showdown,twitwi/showdown,showdownjs/showdown,axter/showdown,bsnizek/showdown,ErisDS/showdown,ErisDS/showdown,pazof/showdown,mickelfeng/showdown,juanonsoftware/showdown,axter/showdown,alazyer/showdown,coolroad/showdown,phw/showdown,jaguerra/showdown,twitwi/showdown,jaguerra/showdown,nilbus/showdown,rollokb/showdown